openapi: 3.1.0
info:
  title: Amazon RDS DB Clusters DB Engine Versions API
  description: Amazon Relational Database Service (RDS) makes it easy to set up, operate, and scale a relational database in the cloud. This API enables you to create and manage database instances, clusters, snapshots, and other database resources with support for multiple database engines including MySQL, PostgreSQL, MariaDB, Oracle, SQL Server, and Amazon Aurora.
  version: '2014-10-31'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  termsOfService: https://aws.amazon.com/service-terms/
servers:
- url: https://rds.{region}.amazonaws.com
  description: Amazon RDS Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
security:
- sigv4Auth: []
tags:
- name: DB Engine Versions
  description: Operations for describing available database engine versions
paths:
  /?Action=DescribeDBEngineVersions:
    get:
      operationId: describeDBEngineVersions
      summary: Amazon RDS Describe DB engine versions
      description: Returns a list of the available DB engines and their versions. You can filter by engine, engine version, DB parameter group family, and other criteria.
      tags:
      - DB Engine Versions
      parameters:
      - name: Engine
        in: query
        description: The database engine to return (mysql, postgres, mariadb, oracle-ee, sqlserver-ee, aurora-mysql, aurora-postgresql)
        schema:
          type: string
      - name: EngineVersion
        in: query
        description: The database engine version to return
        schema:
          type: string
      - name: DBParameterGroupFamily
        in: query
        description: The name of a specific DB parameter group family to return details for
        schema:
          type: string
      - name: DefaultOnly
        in: query
        description: Whether to return only the default version of the engine
        schema:
          type: boolean
      - name: MaxRecords
        in: query
        description: Maximum number of records to include in the response
        schema:
          type: integer
          minimum: 20
          maximum: 100
      - name: Marker
        in: query
        description: An optional pagination token provided by a previous request
        schema:
          type: string
      responses:
        '200':
          description: Successfully described DB engine versions
        '400':
          description: Invalid request parameters
        '401':
          description: Authentication failure
components:
  securitySchemes:
    sigv4Auth:
      type: apiKey
      name: Authorization
      in: header
      description: AWS Signature Version 4 authentication
externalDocs:
  description: Amazon RDS API Reference
  url: https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/